Thermo Ramsey - Hoferick Engineering GmbH

Maintenance
4-10
8. Press ENTER twice. The display should respond with NEW PASSWORD
ACQUIRED.
9. Scroll down to OPERATOR PASSWORD. Press ENTER twice. The
display should respond with NEW PASSWORD ACQUIRED.
10. Select MAIN MENU 3. The PROT soft key should not appear, indicating
all passwords have been erased. If PROT does appear, repeat Steps 1
through 9.
11. See Section for entering new passwords.
4.9 Lithium Battery Replacement
The Micro-Tech volatile memory backup battery can be replaced without any
special tools.
WARNING
DANGER OF EXPLOSION IF BATTERY IS
INCORRECTLY REPLACED.
Replace only with same or equivalent type recommended by Thermo Scientific.
Dispose of used battery according to manufactures instruction on battery or
return to Thermo Scientific. (Refer to Section 4.10.)
1. Record all configuration, setup, and calibration data before removing
battery. All information is lost when the battery is removed.
2. Turn the Micro-Tech power off at the mains.
3. Remove the battery from its compression socket.
4. Observe the polarity markings on the battery socket base before inserting the
new battery. The lithium battery is .3V, 1.2 AH, 2/3 A, Thermo Scientific
part number 037188.
5. Insert battery
6. Restore power to the Micro-Tech.
7. Cold start the Micro-Tech. See Section 4.4 for cold start procedures.
8. Re-enter all data recorded in Step 1.
4.10 Disposal of Hazardous Waste
Disposal of Lithium batteries and soldered print circuit boards should be in
accordance with your local Hazardous Waste Policy.
As an alternative, you may return product supplied by Thermo Scientific, freight
prepaid for disposal. Contact Thermo Scientific Repair Department for a Return
Authorization Number before shipping any product for disposal.
Replacement Parts Thermo Fisher Scientific
REC 4175 Rev B